Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 3 –3 to + 4 –3 to + 5 –3 to + 6 –3 to + 3 –3 to + 4 –3 to + 5 –3 to + 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 4 2 3 5 4 2 3 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Magnesium hydroxide Sodium bicarbonate Calcium hydroxide Magnesium carbonate Magnesium hydroxide Sodium bicarbonate Calcium hydroxide Magnesium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Hydrogen Chlorine Nitrogen Oxygen Hydrogen Chlorine Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of bleaching powder is : Calcium chloro hypochlorite Calcium hypochlorite Calcium chlorate Calcium bi chloride Calcium chloro hypochlorite Calcium hypochlorite Calcium chlorate Calcium bi chloride ANSWER DOWNLOAD EXAMIANS APP
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